6 Terms
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Crustaceans
Any member of the class of arthropods that includes lobsters, crabs, shrimps, wood lice, water fleas, and barnacles.
Industry: Animals
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Crustaceans
parapenaeid spine
Animals; Crustaceans
Spine projecting from the distomesial margin of the first antennular segment.
orbital spine
Animals; Crustaceans
Spine projecting from the ventral extremity of the orbital margin.
movable spine
Animals; Crustaceans
Spine set in socket; depressible, by movement towards basal structure such as carapace or segment of appendage.
ocular stylet
Animals; Crustaceans
Spiniform process arising from ocular plate in the genus Sicyonia.
calcar
Animals; Crustaceans
Spur-like process on distal segment of antenna. (one-half as long/one-eighth or less as long as basal segment of antenna).
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